import java.util.Scanner;

public class Main1648 {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        int a= sc.nextInt();
        int b=sc.nextInt();
        int x=a%b;
        if (x==0){
            System.out.println(a/b);
        }else System.out.println(a/b+1);
    }
}
